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TPA3116 与 12 0.1A风扇共用电源 噪声问题

通过电池供电给3116和风扇,但是当风扇开始工作,喇叭就有wenwen的噪声,这个如何解决呢?

风扇是12V 0.1A的,直接接在A+11V1 

谢谢!